Cisco Firewall Services Module 4.1 cisco Cut-Through Proxy IPv4 Packet race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Firewall Services Module 4.1 cisco. This issue affects some unknown processing of the component Cut-Through Proxy. Performing a manipulation as part of IPv4 Packet results in race condition. This vulnerability is reported as CVE-2014-0710. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Firewall Services Module 4.1 cisco (Firewall Software). This affects some unknown functionality of the component Cut-Through Proxy. The manipulation as part of a IPv4 Packet leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on availability. The summary by CVE is:

Race condition in the cut-through proxy feature in Cisco Firewall Services Module (FWSM) Software 3.x before 3.2(28) and 4.x before 4.1(15) allows remote attackers to cause a denial of service (device reload) via certain matching traffic, aka Bug ID CSCuj16824.

The weakness was disclosed 02/19/2014 with Cisco as Alert ID 32837 as confirmed alert (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2014-0710 since 01/02/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 72668 (Cisco Firewall Services Module Software Denial of Service (cisco-sa-20140219-fwsm)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 3.2.x, 3.2(28), 4.1 or 4.1(15) eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.com. It is possible to mitigate the problem by applying the configuration setting Disable Cut-Through Proxy. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (91191), Tenable (72668), SecurityFocus (BID 65662†), Secunia (SA56977†) and Vulnerability Center (SBV-43368†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72668
Nessus Name: Cisco Firewall Services Module Software Denial of Service (cisco-sa-20140219-fwsm)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firewall Services Module 3.2.x/3.2(28)/4.1/4.1(15)
Config: Disable Cut-Through Proxy

Timelineinfo

01/02/2014 🔍
02/19/2014 +48 days 🔍
02/19/2014 +0 days 🔍
02/19/2014 +0 days 🔍
02/19/2014 +0 days 🔍
02/20/2014 +1 days 🔍
02/22/2014 +2 days 🔍
02/22/2014 +0 days 🔍
02/23/2014 +1 days 🔍
02/24/2014 +1 days 🔍
06/09/2021 +2662 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Alert ID 32837
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-0710 (🔍)
GCVE (CVE): GCVE-0-2014-0710
GCVE (VulDB): GCVE-100-12357

IAVM: 🔍

X-Force: 91191 - Cisco Firewall Services Module cut-through proxy denial of service, High Risk
SecurityFocus: 65662 - Cisco Firewall Services Module Cut-Through Proxy Remote Denial of Service Vulnerability
Secunia: 56977 - Cisco Firewall Services Module (FWSM) Cut-Through Proxy Denial of Service Vulnerability, Less Critical
Vulnerability Center: 43368 - [cisco-sa-20140219-fwsm] Cisco FWSM Remote DoS Vulnerability via Cut-Through Proxy Function (CVE-2014-0710), High

Entryinfo

Created: 02/22/2014 14:54
Updated: 06/09/2021 16:18
Changes: 02/22/2014 14:54 (82), 05/21/2017 14:22 (1), 06/09/2021 16:18 (3)
Complete: 🔍
Cache ID: 216::103

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